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            "title": "Cells in a Range on an Excel Sheet",
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            "content": "<p>A cell <code>(r, c)</code> of an excel sheet is represented as a string <code>&quot;&lt;col&gt;&lt;row&gt;&quot;</code> where:</p>\n\n<ul>\n\t<li><code>&lt;col&gt;</code> denotes the column number <code>c</code> of the cell. It is represented by <strong>alphabetical letters</strong>.\n\n\t<ul>\n\t\t<li>For example, the <code>1<sup>st</sup></code> column is denoted by <code>&#39;A&#39;</code>, the <code>2<sup>nd</sup></code> by <code>&#39;B&#39;</code>, the <code>3<sup>rd</sup></code> by <code>&#39;C&#39;</code>, and so on.</li>\n\t</ul>\n\t</li>\n\t<li><code>&lt;row&gt;</code> is the row number <code>r</code> of the cell. The <code>r<sup>th</sup></code> row is represented by the <strong>integer</strong> <code>r</code>.</li>\n</ul>\n\n<p>You are given a string <code>s</code>&nbsp;in&nbsp;the format <code>&quot;&lt;col1&gt;&lt;row1&gt;:&lt;col2&gt;&lt;row2&gt;&quot;</code>, where <code>&lt;col1&gt;</code> represents the column <code>c1</code>, <code>&lt;row1&gt;</code> represents the row <code>r1</code>, <code>&lt;col2&gt;</code> represents the column <code>c2</code>, and <code>&lt;row2&gt;</code> represents the row <code>r2</code>, such that <code>r1 &lt;= r2</code> and <code>c1 &lt;= c2</code>.</p>\n\n<p>Return <em>the <strong>list of cells</strong></em> <code>(x, y)</code> <em>such that</em> <code>r1 &lt;= x &lt;= r2</code> <em>and</em> <code>c1 &lt;= y &lt;= c2</code>. The cells should be represented as&nbsp;<strong>strings</strong> in the format mentioned above and be sorted in <strong>non-decreasing</strong> order first by columns and then by rows.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2022/02/08/ex1drawio.png\" style=\"width: 250px; height: 160px;\" />\n<pre>\n<strong>Input:</strong> s = &quot;K1:L2&quot;\n<strong>Output:</strong> [&quot;K1&quot;,&quot;K2&quot;,&quot;L1&quot;,&quot;L2&quot;]\n<strong>Explanation:</strong>\nThe above diagram shows the cells which should be present in the list.\nThe red arrows denote the order in which the cells should be presented.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2022/02/09/exam2drawio.png\" style=\"width: 500px; height: 50px;\" />\n<pre>\n<strong>Input:</strong> s = &quot;A1:F1&quot;\n<strong>Output:</strong> [&quot;A1&quot;,&quot;B1&quot;,&quot;C1&quot;,&quot;D1&quot;,&quot;E1&quot;,&quot;F1&quot;]\n<strong>Explanation:</strong>\nThe above diagram shows the cells which should be present in the list.\nThe red arrow denotes the order in which the cells should be presented.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>s.length == 5</code></li>\n\t<li><code>&#39;A&#39; &lt;= s[0] &lt;= s[3] &lt;= &#39;Z&#39;</code></li>\n\t<li><code>&#39;1&#39; &lt;= s[1] &lt;= s[4] &lt;= &#39;9&#39;</code></li>\n\t<li><code>s</code> consists of uppercase English letters, digits and <code>&#39;:&#39;</code>.</li>\n</ul>\n",
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                    "code": "class Solution(object):\n    def cellsInRange(self, s):\n        \"\"\"\n        :type s: str\n        :rtype: List[str]\n        \"\"\"\n        ",
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                "From the given string, find the corresponding rows and columns.",
                "Iterate through the columns in ascending order and for each column, iterate through the rows in ascending order to obtain the required cells in sorted order."
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